Roman Catholic Diocese of Osimo

The Roman Catholic Diocese of Osimo was an ancient diocese in Italy.

It was founded in the seventh century and in 1725 merged with the Diocese of Cingoli to form the Diocese of Osimo e Cingoli.

[1][2] It was contained within the Papal States.

[3] Erected: 7th Century Latin Name: Auximanus 19 August 1725: United with the Diocese of Cingoli Immediately Subject to the Holy See 25 January 1985: The former Diocese of Cingoli was split from the Diocese of Osimo e Cingoli and united with the Diocese of Macerata e Tolentino, the Diocese of Recanati, and the Diocese of San Severino (-Treia) to form the Diocese of Macerata-Tolentino-Recanati-Cingoli-Treia.

30 September 1986: the Diocese of Osimo was united with the Archdiocese of Ancona to form the Archdiocese of Ancona-Osimo